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Help with stalling 993

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Old 02-18-2019, 01:59 PM
  #16  
TheOtherEric
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Isn’t the lack of a remote key fob an indicator that you have no immobilizer? If so, then does the OP have a key fob?
Old 02-18-2019, 09:44 PM
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Railmaster.
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Originally Posted by TheOtherEric
Isn’t the lack of a remote key fob an indicator that you have no immobilizer? If so, then does the OP have a key fob?
No! Early 993s have an immobiliser that is key operated.
Old 02-18-2019, 10:40 PM
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TheOtherEric
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Originally Posted by Railmaster.
No! Early 993s have an immobiliser that is key operated.
Early U.S. 1995s don't have a box labeled "immobilizer" or "Bloctronic." Perhaps the terminology changed here on Rennlist over the last 15 years, because thread after thread has always said that early 95's don't have immobilizers. They do have a little "Steuergerat Alarmanlage" (alarm system control module + central locking), but I don't believe this is tied into the ignition like later immobilizers. It simply sounds an alarm if doors are opened after being locked by the key (no key fob came with these cars).

Last edited by TheOtherEric; 02-18-2019 at 11:03 PM.
Old 02-18-2019, 11:02 PM
  #19  
Lorenfb
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Start here: http://www.systemsc.com/diagnostic.htm, under;
Intermittent Running
Old 02-19-2019, 01:43 AM
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HelpMeHelpU
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Personally, I don't believe OP's issues are related to the immobilizer (he says it doesn't have one, but even if it did, wouldn't the car be more "immobilized" than seems to be the case).

My '95 C2 was made in Dec. 1994 and does not have an immobilizer.
Old 02-19-2019, 02:44 AM
  #21  
Railmaster.
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Originally Posted by HelpMeHelpU
Personally, I don't believe OP's issues are related to the immobilizer (he says it doesn't have one, but even if it did, wouldn't the car be more "immobilized" than seems to be the case).

My '95 C2 was made in Dec. 1994 and does not have an immobilizer.
Does Your car have an alarm? If someone breaks a window and open the door and the alarm goes off, Will it then be possible ti start the car while the alarm is sounding?

Mine is a 94 (july) and it does have an immobiliser incorporated in the key operatet alarm. It's a ROW car. It says in in the handbook that the car is fitted with immobiliser, maybe it was a legal requierment in Euerope but not in the US at the time?
Old 03-29-2019, 11:24 PM
  #22  
Alfa40
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The end of the story: https://rennlist.com/forums/993-foru...l#post15738552
The connection between aftermarket chip and DME was faulty. Swapped it out for an OEM chip and the problem was solved. Thanks everyone.



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